Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1 | /* |
| 2 | * builtin-annotate.c |
| 3 | * |
| 4 | * Builtin annotate command: Analyze the perf.data input file, |
| 5 | * look up and read DSOs and symbol information and display |
| 6 | * a histogram of results, along various sorting keys. |
| 7 | */ |
| 8 | #include "builtin.h" |
| 9 | |
| 10 | #include "util/util.h" |
| 11 | |
| 12 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 5da5025 | 2009-07-01 14:46:08 -0300 | [diff] [blame] | 13 | #include <linux/list.h> |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 14 | #include "util/cache.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 15 | #include <linux/rbtree.h> |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 16 | #include "util/symbol.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 17 | |
| 18 | #include "perf.h" |
Frederic Weisbecker | 8f28827 | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 19 | #include "util/debug.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 20 | |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 21 | #include "util/event.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 22 | #include "util/parse-options.h" |
| 23 | #include "util/parse-events.h" |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 24 | #include "util/thread.h" |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 25 | #include "util/sort.h" |
John Kacur | 3d1d07e | 2009-09-28 15:32:55 +0200 | [diff] [blame] | 26 | #include "util/hist.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 27 | #include "util/session.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 28 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 29 | static char const *input_name = "perf.data"; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 30 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 31 | static bool force; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 32 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 33 | static bool full_paths; |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 34 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 35 | static bool print_line; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 36 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 37 | static const char *sym_hist_filter; |
| 38 | |
Arnaldo Carvalho de Melo | 1c02c4d | 2010-05-10 13:04:11 -0300 | [diff] [blame] | 39 | static int hists__add_entry(struct hists *self, struct addr_location *al) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 40 | { |
Arnaldo Carvalho de Melo | 628ada0 | 2010-02-25 12:57:40 -0300 | [diff] [blame] | 41 | struct hist_entry *he; |
| 42 | |
| 43 | if (sym_hist_filter != NULL && |
| 44 | (al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) { |
| 45 | /* We're only interested in a symbol named sym_hist_filter */ |
| 46 | if (al->sym != NULL) { |
| 47 | rb_erase(&al->sym->rb_node, |
| 48 | &al->map->dso->symbols[al->map->type]); |
| 49 | symbol__delete(al->sym); |
| 50 | } |
| 51 | return 0; |
| 52 | } |
| 53 | |
Arnaldo Carvalho de Melo | 1c02c4d | 2010-05-10 13:04:11 -0300 | [diff] [blame] | 54 | he = __hists__add_entry(self, al, NULL, 1); |
Arnaldo Carvalho de Melo | 9735abf | 2009-10-03 10:42:45 -0300 | [diff] [blame] | 55 | if (he == NULL) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 56 | return -ENOMEM; |
Arnaldo Carvalho de Melo | 628ada0 | 2010-02-25 12:57:40 -0300 | [diff] [blame] | 57 | |
Arnaldo Carvalho de Melo | ef7b93a | 2010-05-11 23:18:06 -0300 | [diff] [blame^] | 58 | return hist_entry__inc_addr_samples(he, al->addr); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 59 | } |
| 60 | |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 61 | static int process_sample_event(event_t *event, struct perf_session *session) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 62 | { |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 63 | struct addr_location al; |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 64 | |
Arnaldo Carvalho de Melo | 0d75503 | 2010-01-14 12:23:09 -0200 | [diff] [blame] | 65 | dump_printf("(IP, %d): %d: %#Lx\n", event->header.misc, |
| 66 | event->ip.pid, event->ip.ip); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 67 | |
Arnaldo Carvalho de Melo | 628ada0 | 2010-02-25 12:57:40 -0300 | [diff] [blame] | 68 | if (event__preprocess_sample(event, session, &al, NULL) < 0) { |
Arnaldo Carvalho de Melo | 29a9f66 | 2010-02-03 16:52:06 -0200 | [diff] [blame] | 69 | pr_warning("problem processing %d event, skipping it.\n", |
| 70 | event->header.type); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 71 | return -1; |
| 72 | } |
| 73 | |
Arnaldo Carvalho de Melo | 1c02c4d | 2010-05-10 13:04:11 -0300 | [diff] [blame] | 74 | if (!al.filtered && hists__add_entry(&session->hists, &al)) { |
Arnaldo Carvalho de Melo | 29a9f66 | 2010-02-03 16:52:06 -0200 | [diff] [blame] | 75 | pr_warning("problem incrementing symbol count, " |
| 76 | "skipping event\n"); |
Arnaldo Carvalho de Melo | ec218fc | 2009-10-03 20:30:48 -0300 | [diff] [blame] | 77 | return -1; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 78 | } |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 79 | |
| 80 | return 0; |
| 81 | } |
| 82 | |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 83 | static int objdump_line__print(struct objdump_line *self, |
| 84 | struct list_head *head, |
| 85 | struct hist_entry *he, u64 len) |
| 86 | { |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 87 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 88 | static const char *prev_line; |
| 89 | static const char *prev_color; |
| 90 | |
| 91 | if (self->offset != -1) { |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 92 | const char *path = NULL; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 93 | unsigned int hits = 0; |
| 94 | double percent = 0.0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 95 | const char *color; |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 96 | struct sym_priv *priv = symbol__priv(sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 97 | struct sym_ext *sym_ext = priv->ext; |
| 98 | struct sym_hist *h = priv->hist; |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 99 | s64 offset = self->offset; |
| 100 | struct objdump_line *next = objdump__get_next_ip_line(head, self); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 101 | |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 102 | while (offset < (s64)len && |
| 103 | (next == NULL || offset < next->offset)) { |
| 104 | if (sym_ext) { |
| 105 | if (path == NULL) |
| 106 | path = sym_ext[offset].path; |
| 107 | percent += sym_ext[offset].percent; |
| 108 | } else |
| 109 | hits += h->ip[offset]; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 110 | |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 111 | ++offset; |
| 112 | } |
| 113 | |
| 114 | if (sym_ext == NULL && h->sum) |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 115 | percent = 100.0 * hits / h->sum; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 116 | |
Frederic Weisbecker | 1e11fd8 | 2009-07-02 20:14:34 +0200 | [diff] [blame] | 117 | color = get_percent_color(percent); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 118 | |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 119 | /* |
| 120 | * Also color the filename and line if needed, with |
| 121 | * the same color than the percentage. Don't print it |
| 122 | * twice for close colored ip with the same filename:line |
| 123 | */ |
| 124 | if (path) { |
| 125 | if (!prev_line || strcmp(prev_line, path) |
| 126 | || color != prev_color) { |
| 127 | color_fprintf(stdout, color, " %s", path); |
| 128 | prev_line = path; |
| 129 | prev_color = color; |
| 130 | } |
| 131 | } |
| 132 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 133 | color_fprintf(stdout, color, " %7.2f", percent); |
| 134 | printf(" : "); |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 135 | color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 136 | } else { |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 137 | if (!*self->line) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 138 | printf(" :\n"); |
| 139 | else |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 140 | printf(" : %s\n", self->line); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | return 0; |
| 144 | } |
| 145 | |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 146 | static struct rb_root root_sym_ext; |
| 147 | |
| 148 | static void insert_source_line(struct sym_ext *sym_ext) |
| 149 | { |
| 150 | struct sym_ext *iter; |
| 151 | struct rb_node **p = &root_sym_ext.rb_node; |
| 152 | struct rb_node *parent = NULL; |
| 153 | |
| 154 | while (*p != NULL) { |
| 155 | parent = *p; |
| 156 | iter = rb_entry(parent, struct sym_ext, node); |
| 157 | |
| 158 | if (sym_ext->percent > iter->percent) |
| 159 | p = &(*p)->rb_left; |
| 160 | else |
| 161 | p = &(*p)->rb_right; |
| 162 | } |
| 163 | |
| 164 | rb_link_node(&sym_ext->node, parent, p); |
| 165 | rb_insert_color(&sym_ext->node, &root_sym_ext); |
| 166 | } |
| 167 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 168 | static void free_source_line(struct hist_entry *he, int len) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 169 | { |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 170 | struct sym_priv *priv = symbol__priv(he->ms.sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 171 | struct sym_ext *sym_ext = priv->ext; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 172 | int i; |
| 173 | |
| 174 | if (!sym_ext) |
| 175 | return; |
| 176 | |
| 177 | for (i = 0; i < len; i++) |
| 178 | free(sym_ext[i].path); |
| 179 | free(sym_ext); |
| 180 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 181 | priv->ext = NULL; |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 182 | root_sym_ext = RB_ROOT; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | /* Get the filename:line for the colored entries */ |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 186 | static void |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 187 | get_source_line(struct hist_entry *he, int len, const char *filename) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 188 | { |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 189 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 190 | u64 start; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 191 | int i; |
| 192 | char cmd[PATH_MAX * 2]; |
| 193 | struct sym_ext *sym_ext; |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 194 | struct sym_priv *priv = symbol__priv(sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 195 | struct sym_hist *h = priv->hist; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 196 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 197 | if (!h->sum) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 198 | return; |
| 199 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 200 | sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); |
| 201 | if (!priv->ext) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 202 | return; |
| 203 | |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 204 | start = he->ms.map->unmap_ip(he->ms.map, sym->start); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 205 | |
| 206 | for (i = 0; i < len; i++) { |
| 207 | char *path = NULL; |
| 208 | size_t line_len; |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 209 | u64 offset; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 210 | FILE *fp; |
| 211 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 212 | sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 213 | if (sym_ext[i].percent <= 0.5) |
| 214 | continue; |
| 215 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 216 | offset = start + i; |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 217 | sprintf(cmd, "addr2line -e %s %016llx", filename, offset); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 218 | fp = popen(cmd, "r"); |
| 219 | if (!fp) |
| 220 | continue; |
| 221 | |
| 222 | if (getline(&path, &line_len, fp) < 0 || !line_len) |
| 223 | goto next; |
| 224 | |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 225 | sym_ext[i].path = malloc(sizeof(char) * line_len + 1); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 226 | if (!sym_ext[i].path) |
| 227 | goto next; |
| 228 | |
| 229 | strcpy(sym_ext[i].path, path); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 230 | insert_source_line(&sym_ext[i]); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 231 | |
| 232 | next: |
| 233 | pclose(fp); |
| 234 | } |
| 235 | } |
| 236 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 237 | static void print_summary(const char *filename) |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 238 | { |
| 239 | struct sym_ext *sym_ext; |
| 240 | struct rb_node *node; |
| 241 | |
| 242 | printf("\nSorted summary for file %s\n", filename); |
| 243 | printf("----------------------------------------------\n\n"); |
| 244 | |
| 245 | if (RB_EMPTY_ROOT(&root_sym_ext)) { |
| 246 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); |
| 247 | return; |
| 248 | } |
| 249 | |
| 250 | node = rb_first(&root_sym_ext); |
| 251 | while (node) { |
| 252 | double percent; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 253 | const char *color; |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 254 | char *path; |
| 255 | |
| 256 | sym_ext = rb_entry(node, struct sym_ext, node); |
| 257 | percent = sym_ext->percent; |
Frederic Weisbecker | 1e11fd8 | 2009-07-02 20:14:34 +0200 | [diff] [blame] | 258 | color = get_percent_color(percent); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 259 | path = sym_ext->path; |
| 260 | |
| 261 | color_fprintf(stdout, color, " %7.2f %s", percent, path); |
| 262 | node = rb_next(node); |
| 263 | } |
| 264 | } |
| 265 | |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 266 | static void hist_entry__print_hits(struct hist_entry *self) |
| 267 | { |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 268 | struct symbol *sym = self->ms.sym; |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 269 | struct sym_priv *priv = symbol__priv(sym); |
| 270 | struct sym_hist *h = priv->hist; |
| 271 | u64 len = sym->end - sym->start, offset; |
| 272 | |
| 273 | for (offset = 0; offset < len; ++offset) |
| 274 | if (h->ip[offset] != 0) |
| 275 | printf("%*Lx: %Lu\n", BITS_PER_LONG / 2, |
| 276 | sym->start + offset, h->ip[offset]); |
| 277 | printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum); |
| 278 | } |
| 279 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 280 | static void annotate_sym(struct hist_entry *he) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 281 | { |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 282 | struct map *map = he->ms.map; |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 283 | struct dso *dso = map->dso; |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 284 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 285 | const char *filename = dso->long_name, *d_filename; |
| 286 | u64 len; |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 287 | LIST_HEAD(head); |
| 288 | struct objdump_line *pos, *n; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 289 | |
Arnaldo Carvalho de Melo | ef7b93a | 2010-05-11 23:18:06 -0300 | [diff] [blame^] | 290 | if (hist_entry__annotate(he, &head) < 0) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 291 | return; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 292 | |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 293 | if (full_paths) |
| 294 | d_filename = filename; |
| 295 | else |
| 296 | d_filename = basename(filename); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 297 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 298 | len = sym->end - sym->start; |
| 299 | |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 300 | if (print_line) { |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 301 | get_source_line(he, len, filename); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 302 | print_summary(filename); |
| 303 | } |
| 304 | |
| 305 | printf("\n\n------------------------------------------------\n"); |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 306 | printf(" Percent | Source code & Disassembly of %s\n", d_filename); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 307 | printf("------------------------------------------------\n"); |
| 308 | |
Arnaldo Carvalho de Melo | 48fb4fd | 2010-02-26 11:23:14 -0300 | [diff] [blame] | 309 | if (verbose) |
| 310 | hist_entry__print_hits(he); |
| 311 | |
| 312 | list_for_each_entry_safe(pos, n, &head, node) { |
| 313 | objdump_line__print(pos, &head, he, len); |
| 314 | list_del(&pos->node); |
| 315 | objdump_line__free(pos); |
| 316 | } |
| 317 | |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 318 | if (print_line) |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 319 | free_source_line(he, len); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 320 | } |
| 321 | |
Arnaldo Carvalho de Melo | 1c02c4d | 2010-05-10 13:04:11 -0300 | [diff] [blame] | 322 | static void hists__find_annotations(struct hists *self) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 323 | { |
| 324 | struct rb_node *nd; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 325 | |
Arnaldo Carvalho de Melo | 1c02c4d | 2010-05-10 13:04:11 -0300 | [diff] [blame] | 326 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 327 | struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 328 | struct sym_priv *priv; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 329 | |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 330 | if (he->ms.sym == NULL) |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 331 | continue; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 332 | |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 333 | priv = symbol__priv(he->ms.sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 334 | if (priv->hist == NULL) |
| 335 | continue; |
| 336 | |
| 337 | annotate_sym(he); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 338 | /* |
| 339 | * Since we have a hist_entry per IP for the same symbol, free |
Arnaldo Carvalho de Melo | 59fd530 | 2010-03-24 16:40:17 -0300 | [diff] [blame] | 340 | * he->ms.sym->hist to signal we already processed this symbol. |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 341 | */ |
| 342 | free(priv->hist); |
| 343 | priv->hist = NULL; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 344 | } |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 345 | } |
| 346 | |
Arnaldo Carvalho de Melo | 301a0b0 | 2009-12-13 19:50:25 -0200 | [diff] [blame] | 347 | static struct perf_event_ops event_ops = { |
Arnaldo Carvalho de Melo | 55aa640 | 2009-12-27 21:37:05 -0200 | [diff] [blame] | 348 | .sample = process_sample_event, |
| 349 | .mmap = event__process_mmap, |
| 350 | .comm = event__process_comm, |
| 351 | .fork = event__process_task, |
Li Zefan | bab81b6 | 2009-12-01 14:04:49 +0800 | [diff] [blame] | 352 | }; |
| 353 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 354 | static int __cmd_annotate(void) |
| 355 | { |
Li Zefan | bab81b6 | 2009-12-01 14:04:49 +0800 | [diff] [blame] | 356 | int ret; |
Arnaldo Carvalho de Melo | 75be6cf | 2009-12-15 20:04:39 -0200 | [diff] [blame] | 357 | struct perf_session *session; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 358 | |
Tom Zanussi | 454c407 | 2010-05-01 01:41:20 -0500 | [diff] [blame] | 359 | session = perf_session__new(input_name, O_RDONLY, force, false); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 360 | if (session == NULL) |
| 361 | return -ENOMEM; |
| 362 | |
Arnaldo Carvalho de Melo | ec91336 | 2009-12-13 19:50:27 -0200 | [diff] [blame] | 363 | ret = perf_session__process_events(session, &event_ops); |
Li Zefan | bab81b6 | 2009-12-01 14:04:49 +0800 | [diff] [blame] | 364 | if (ret) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 365 | goto out_delete; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 366 | |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 367 | if (dump_trace) { |
| 368 | event__print_totals(); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 369 | goto out_delete; |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 370 | } |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 371 | |
Arnaldo Carvalho de Melo | da21d1b | 2009-10-07 10:49:00 -0300 | [diff] [blame] | 372 | if (verbose > 3) |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 373 | perf_session__fprintf(session, stdout); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 374 | |
Arnaldo Carvalho de Melo | da21d1b | 2009-10-07 10:49:00 -0300 | [diff] [blame] | 375 | if (verbose > 2) |
Arnaldo Carvalho de Melo | cbf6968 | 2010-04-27 21:22:44 -0300 | [diff] [blame] | 376 | perf_session__fprintf_dsos(session, stdout); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 377 | |
Arnaldo Carvalho de Melo | 1c02c4d | 2010-05-10 13:04:11 -0300 | [diff] [blame] | 378 | hists__collapse_resort(&session->hists); |
| 379 | hists__output_resort(&session->hists); |
| 380 | hists__find_annotations(&session->hists); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 381 | out_delete: |
| 382 | perf_session__delete(session); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 383 | |
Li Zefan | bab81b6 | 2009-12-01 14:04:49 +0800 | [diff] [blame] | 384 | return ret; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 385 | } |
| 386 | |
| 387 | static const char * const annotate_usage[] = { |
| 388 | "perf annotate [<options>] <command>", |
| 389 | NULL |
| 390 | }; |
| 391 | |
| 392 | static const struct option options[] = { |
| 393 | OPT_STRING('i', "input", &input_name, "file", |
| 394 | "input file name"), |
Arnaldo Carvalho de Melo | ac73c5a | 2010-03-24 16:40:16 -0300 | [diff] [blame] | 395 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
| 396 | "only consider symbols in these dsos"), |
Ingo Molnar | 23b8711 | 2009-06-06 21:25:29 +0200 | [diff] [blame] | 397 | OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 398 | "symbol to annotate"), |
Peter Zijlstra | fa6963b | 2009-08-19 11:18:26 +0200 | [diff] [blame] | 399 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 400 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 401 | "be more verbose (show symbol address, etc)"), |
| 402 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
| 403 | "dump raw trace in ASCII"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 404 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 405 | "file", "vmlinux pathname"), |
| 406 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 407 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 408 | OPT_BOOLEAN('l', "print-line", &print_line, |
| 409 | "print matching source lines (may be slow)"), |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 410 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
| 411 | "Don't shorten the displayed pathnames"), |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 412 | OPT_END() |
| 413 | }; |
| 414 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 415 | int cmd_annotate(int argc, const char **argv, const char *prefix __used) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 416 | { |
Arnaldo Carvalho de Melo | 655000e | 2009-12-15 20:04:40 -0200 | [diff] [blame] | 417 | argc = parse_options(argc, argv, options, annotate_usage, 0); |
| 418 | |
Arnaldo Carvalho de Melo | 75be6cf | 2009-12-15 20:04:39 -0200 | [diff] [blame] | 419 | symbol_conf.priv_size = sizeof(struct sym_priv); |
| 420 | symbol_conf.try_vmlinux_path = true; |
| 421 | |
| 422 | if (symbol__init() < 0) |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 423 | return -1; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 424 | |
Arnaldo Carvalho de Melo | c8829c7 | 2009-12-14 20:09:29 -0200 | [diff] [blame] | 425 | setup_sorting(annotate_usage, options); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 426 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 427 | if (argc) { |
| 428 | /* |
| 429 | * Special case: if there's an argument left then assume tha |
| 430 | * it's a symbol filter: |
| 431 | */ |
| 432 | if (argc > 1) |
| 433 | usage_with_options(annotate_usage, options); |
| 434 | |
| 435 | sym_hist_filter = argv[0]; |
| 436 | } |
| 437 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 438 | setup_pager(); |
| 439 | |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 440 | if (field_sep && *field_sep == '.') { |
Arnaldo Carvalho de Melo | 29a9f66 | 2010-02-03 16:52:06 -0200 | [diff] [blame] | 441 | pr_err("'.' is the only non valid --field-separator argument\n"); |
| 442 | return -1; |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 443 | } |
| 444 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 445 | return __cmd_annotate(); |
| 446 | } |